Blink ServiceRegistry -> InterfaceProvider

content/renderer/mojo/blink_interface_provider_impl.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_RENDERER_MOJO_BLINK_INTERFACE_PROVIDER_IMPL_H_
+#define CONTENT_RENDERER_MOJO_BLINK_INTERFACE_PROVIDER_IMPL_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "mojo/public/cpp/system/message_pipe.h"
+#include "third_party/WebKit/public/platform/InterfaceProvider.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+}
+
+namespace shell {
+class InterfaceProvider;
+}
+
+namespace content {
+
+// An implementation of blink::InterfaceProvider that forwards to a
+// shell::InterfaceProvider.
+class BlinkInterfaceProviderImpl : public blink::InterfaceProvider {
+ public:
+  explicit BlinkInterfaceProviderImpl(
+      base::WeakPtr<shell::InterfaceProvider> remote_interfaces);
+  ~BlinkInterfaceProviderImpl();
+
+  // blink::InterfaceProvider override.
+  void getInterface(const char* name,
+                    mojo::ScopedMessagePipeHandle handle) override;
+
+ private:
+  const base::WeakPtr<shell::InterfaceProvider> remote_interfaces_;
+
+  scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
+
+  base::WeakPtrFactory<BlinkInterfaceProviderImpl> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BlinkInterfaceProviderImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MOJO_BLINK_INTERFACE_PROVIDER_IMPL_H_